Home / 17,420.82-26,097.66-10,406.45

Finding the Fourth Proportional to 17,420.82, 26,097.66 and 10,406.45

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Solution

The fourth proportional to 17,420.82, 26,097.66 and 10,406.45 is: 15,589.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,420.82 : 26,097.66 = 10,406.45 : x
  2. Step 2: Convert to fraction form
    17,420.82/26,097.66 = 10,406.45/x
  3. Step 3: Cross multiply
    17,420.82x = 26,097.66 × 10,406.45
  4. Step 4: Simplify right side
    17,420.82x = 271,583,892.20
  5. Step 5: Solve for x
    x = 271,583,892.20/17,420.82
  6. Step 6: Final answer
    x = 15,589.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.